http://crosscutsymbols.weebly.com/printable-pdfs.html
http://www.livebinders.com/play/play?id=1179152#anchor
http://www.kbs.msu.edu/wp-content/uploads/2017/02/NGSS-Interactive-Read-Alouds.pdf
Daily DO NSTA
Science Snacks Resources Lessons
Better Lessons